20639802

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{11903}}^1$

素因数の和:11942

約数の個数: 24

約数和(自身を含む): 43854336

約数和(自身を除く): 23214534

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 289, 578, 867, 1734, 11903, 23806, 35709, 71418, 202351, 404702, 607053, 1214106, 3439967, 6879934, 10319901, 20639802]

約数ペア:

[(1, 20639802), (2, 10319901), (3, 6879934), (6, 3439967), (17, 1214106), (34, 607053), (51, 404702), (102, 202351), (289, 71418), (578, 35709), (867, 23806), (1734, 11903)]